单项选择题

According to this passage, an assumption is ______.

A．something that everyone knows
B．the idea the writer wants to emphasize
C．the reader's knowledge about the topic
D．foundation of the writer's reasoning

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热门试题

单项选择题

The author implies that scientists develop a healthy skepticism because they are aware that ______.

A．mathematicians are better able to solve problems than scientists
B．changes in axiomatic propositions will inevitably undermine scientific arguments
C．well-defined situations are necessary for the design of reliable experiments
D．some factors in most situations must remain unknown

单项选择题

The author's attitude toward Sophocles's statement is ______.

A．positive
B．negative
C．neutral
D．not mentioned